HazMat Tool — substance information
Hydrogen peroxide, aqueous solutions with not less than 20 percent but not more than 40 percent hydrogen peroxide (stabilized as necessary)
HMT 15 June 2026Hydrogen peroxide, aqueous solutions with not less than 20 percent but not more than 40 percent hydrogen peroxide (stabilized as necessary)
Hydrogen peroxide is a chemical compound with the formula H2O2. In its pure form, it is a very pale blue liquid; however, at lower concentrations, it appears colorless due to the faintness of the blue coloration. The molecule hydrogen peroxide is asymmetrical and highly polarized. Its strong tendency to form hydrogen bond networks results in greater viscosity compared to water. Wikipedia
Substance Data
Source: PubChem (HSDB, 06.12.2019)CAS-Number7722-84-1 |
Flash Pointn/a | Boiling Pointn/a |
| Emergency Response Guide No. 140 |
Hazardous Materials Table
Source: 49 CFR §172 (15 June 2026)(3) Hazard Class5.1Oxidizers |
(4) Identification number |
(5) Packing Group |
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(6) Labels |
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(7) Special Provisions (§172.102)
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| A2 | |
|---|---|
| A3 | |
| B53 | |
| IB2 | |
| IP5 | |
| T7 | |
| TP2 | |
| TP6 | |
| TP24 | |
| TP37 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 152 | see 49 CFR §173.152 |
|---|---|---|
| (8B) Non-bulk | 202 | see 49 CFR §173.202 |
| (8C) Bulk | 243 | see 49 CFR §173.243 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 1 L |
|---|---|
| (9B) Cargo aircraft only | 5 L |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other |
(3) Hazard Class5.1Oxidizers |
(4) Identification number |
(5) Packing Group |
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(6) Labels |
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(7) Special Provisions (§172.102)
|
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| 12 | |
|---|---|
| A60 | |
| B53 | |
| B80 | |
| B81 | |
| B85 | |
| IB2 | |
| IP5 | |
| T7 | |
| TP2 | |
| TP6 | |
| TP24 | |
| TP37 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 152 | see 49 CFR §173.152 |
|---|---|---|
| (8B) Non-bulk | 202 | see 49 CFR §173.202 |
| (8C) Bulk | 243 | see 49 CFR §173.243 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | Forbidden |
|---|---|
| (9B) Cargo aircraft only | Forbidden |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other |
Packing group comparison
Multiple packing groups apply to this entry. See assignment criteria in 49 CFR §173 Subpart D. Details are in the tabs above; differences are highlighted.
| PG II | PG II | |
|---|---|---|
| 1 | ||
| 2 | Hydrogen peroxide, aqueous solutions with not less than 20 percent but not more than 40 percent hydrogen peroxide (stabilized as necessary) | Hydrogen peroxide, aqueous solutions with more than 40 percent but not more than 60 percent hydrogen peroxide (stabilized as necessary) |
| 3 | 5.1 | 5.1 |
| 4 | UN 2014 | UN 2014 |
| 5 | II | II |
| 6 | 5.1, 8 | 5.1, 8 |
| 7 | A2, A3, B53, IB2, IP5, T7, TP2, TP6, TP24, TP37 | 12, A60, B53, B80, B81, B85, IB2, IP5, T7, TP2, TP6, TP24, TP37 |
| 8A | 152 | 152 |
| 8B | 202 | 202 |
| 8C | 243 | 243 |
| 9A | 1 L | Forbidden |
| 9B | 5 L | Forbidden |
| 10A | D | D |
| 10B | 25, 66, 75 | 25, 66, 75 |
Segregation chart for load, transport, and storage
This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.
| Hazard class | 8![]() | 7![]() | 6.1![]() | 5.2![]() | 5.1![]() | 4.3![]() | 4.2![]() | 4.1![]() | 3![]() | 2.3B![]() | 2.3A![]() | 2.2![]() | 2.1![]() | 1.6![]() | 1.5![]() | 1.4![]() | 1.3![]() | 1.1/1.2![]() |
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8 ![]() |
| Must not be loaded, transported, or stored together in the same vehicle or facility. | |
| May be loaded, transported, or stored together. | |
| May be loaded, transported, or stored together only with restrictions. |

